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Old 07-07-2008, 08:51 AM   #20
GrassValley_BH
Demystifier/Analogizer
 
Join Date: Apr 2007
Location: Hillsboro, OR
Posts: 5,785
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Set one of the following patterns (tile, not stretch) as the desktop background. They will show a repeating pattern (large checkerboard for checkboard, or fat/skinny lines for the horizontal and vertical patterns) if is scaling going on.

Your LCD will likely show a pattern unless its native resolution is 1280x1024, but the resulting captured file, when viewed back with your LCD at native resolution, should not.
Attached Images
File Type: bmp Horizontals.bmp (824 Bytes, 4 views)
File Type: bmp Verticals.bmp (824 Bytes, 2 views)
File Type: bmp Checkerboard.bmp (824 Bytes, 4 views)
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